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php基于openssl的rsa加密解密示例

转载 作者:qq735679552 更新时间:2022-09-28 22:32:09 24 4
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本文实例讲述了php基于openssl的rsa加密解密。分享给大家供大家参考,具体如下:

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<?php
$config = array (
//"config" =>"D:/phpserver/Lighttpd/openssl.cnf",
//'config' =>'D:/phpStudy/Lighttpd/OpenSSL.cnf',
'private_key_bits' => 1024,  // Size of Key.
'private_key_type' => OPENSSL_KEYTYPE_RSA
);
//$res = openssl_pkey_new();
$res = openssl_pkey_new( $config );
// Get private key
// openssl_pkey_export($res, $privkey, "PassPhrase number 1" );
openssl_pkey_export( $res , $privkey );
var_dump( $privkey );
// Get public key
$pubkey =openssl_pkey_get_details( $res );
// echo "------------><br />";
// print_r($pubkey["rsa"]);
// $bin_str=$pubkey["rsa"]["n"];
// print_r($bin_str);
// echo "<br />";
// //echo $bin_hex_str = pack("H*" , bin2hex($bin_str));
// echo $bin_hex_str = bin2hex($bin_str);
// echo "<br />------------<<br />";
  $pubkey = $pubkey [ "key" ];
// var_dump($privkey);
// var_dump($pubkey);
echo $privkey . "<br /><br />" ;
echo $pubkey . "<br /><br />" ;
?>
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<?php
$private_key = '-----BEGIN RSA PRIVATE KEY-----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----- END RSA PRIVATE KEY-----';
//$private_key ='-----BEGIN RSA PRIVATE KEY-----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//-----END RSA PRIVATE KEY-----';
$public_key = '-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNSQ4AmPZE01MpEO9dabRDsS0X
wxKekEFUoWJneFG+NA6P52JsISw79QYNfQwM7akIaPpzU0+kkWjTSXiDqFUv5y2v
aA3W2Tre5N51uCwUK6/LfzHXBg0d+Bnlzy6Kb6bpgPgvbhAkNbvjbCS0V9h4v3WU
TLR9QauJ05Q8qe70sQIDAQAB
----- END PUBLIC KEY-----';
//$private_key=$privkey;
//$public_key=$pubkey;
$fp = fopen ( "private_key" , "w" );
fwrite( $fp , $private_key );
fclose( $fp );
$fp = fopen ( "public_key" , "w" );
fwrite( $fp , $public_key );
fclose( $fp );
//echo $private_key;
$pi_key = openssl_pkey_get_private( $private_key ); //这个函数可用来判断私钥是否是可用的,可用返回资源id Resource id
$pu_key = openssl_pkey_get_public( $public_key ); //这个函数可用来判断公钥是否是可用的
print_r( $pi_key ); echo "\n" ;
print_r( $pu_key ); echo "\n" ;
echo "<br />----------------------<br />" ;
$data = "woshizhu" ; //原始数据
$encrypted = "" ;
$decrypted = "" ;
echo "source data:" , $data , "<br />" ;
echo "private key encrypt:\n" ;
openssl_private_encrypt( $data , $encrypted , $pi_key ); //私钥加密
$encrypted = base64_encode ( $encrypted ); //加密后的内容通常含有特殊字符,需要编码转换下,在网络间通过url传输时要注意base64编码是否是url安全的
echo "<br />----------私钥加密------------<br />" ;
echo $encrypted , "<br />" ;
echo "<br />----------私钥加密------------<br />" ;
echo "public key decrypt:\n" ;
$decrypted = "" ;
openssl_public_decrypt( base64_decode ( $encrypted ), $decrypted , $pu_key ); //私钥加密的内容通过公钥可用解密出来
echo $decrypted , "\n" ;
echo "---------------------------------------\n" ;
echo "public key encrypt:\n" ;
openssl_public_encrypt( $data , $encrypted , $pu_key ); //公钥加密
$encrypted = base64_encode ( $encrypted );
echo $encrypted , "\n" ;
$decrypted = "" ;
//$encrypted="JBeapcp9iWWYJYElgqtrZxfxM4wVkCaSn/oJZ7NjfR23o76fdbxEXpf+PGWACw3PeTdObwL4108wR3ihKmy2iYkIExGjBYyvx2w9aHies8ZsOIP3LjiMHYTm93Rr8Sc5XxHWQc3Dhbq16JWHYZ2d+RrOpHd4x84GF3JXwivrGO4=";
echo "private key decrypt:\n" ;
openssl_private_decrypt( base64_decode ( $encrypted ), $decrypted , $pi_key ); //私钥解密
echo "--->:" . $decrypted , "\n" ;
?>

希望本文所述对大家PHP程序设计有所帮助.

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